4-(Chloromethyl)-2-cyano-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-6-cyano-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Fluoro-4-iodo-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-carboxylic acid